Function spinSystemUnregisterLogEventHandler 

pub unsafe extern "C" fn spinSystemUnregisterLogEventHandler(
    hSystem: spinSystem,
    hLogEventHandler: spinLogEventHandler,
) -> spinError

Unregisters a selected logging event handler from the system @see spinError

@param hSystem The system, from which the logging event handler is unregistered @param hLogEventHandler The logging event handler to unregister from the system

@return spinError The error code; returns SPINNAKER_ERR_SUCCESS (or 0) for no error